81038160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2297}}^1$

素因数の和:2330

約数の個数: 180

約数和(自身を含む): 316724148

約数和(自身を除く): 235685988

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2297, 2352, 2520, 2940, 3528, 3920, 4410, 4594, 5040, 5880, 6891, 7056, 8820, 9188, 11485, 11760, 13782, 16079, 17640, 18376, 20673, 22970, 27564, 32158, 34455, 35280, 36752, 41346, 45940, 48237, 55128, 64316, 68910, 80395, 82692, 91880, 96474, 103365, 110256, 112553, 128632, 137820, 144711, 160790, 165384, 183760, 192948, 206730, 225106, 241185, 257264, 275640, 289422, 321580, 330768, 337659, 385896, 413460, 450212, 482370, 551280, 562765, 578844, 643160, 675318, 723555, 771792, 826920, 900424, 964740, 1012977, 1125530, 1157688, 1286320, 1350636, 1447110, 1653840, 1688295, 1800848, 1929480, 2025954, 2251060, 2315376, 2701272, 2894220, 3376590, 3858960, 4051908, 4502120, 5064885, 5402544, 5788440, 6753180, 8103816, 9004240, 10129770, 11576880, 13506360, 16207632, 20259540, 27012720, 40519080, 81038160]

約数ペア:

[(1, 81038160), (2, 40519080), (3, 27012720), (4, 20259540), (5, 16207632), (6, 13506360), (7, 11576880), (8, 10129770), (9, 9004240), (10, 8103816), (12, 6753180), (14, 5788440), (15, 5402544), (16, 5064885), (18, 4502120), (20, 4051908), (21, 3858960), (24, 3376590), (28, 2894220), (30, 2701272), (35, 2315376), (36, 2251060), (40, 2025954), (42, 1929480), (45, 1800848), (48, 1688295), (49, 1653840), (56, 1447110), (60, 1350636), (63, 1286320), (70, 1157688), (72, 1125530), (80, 1012977), (84, 964740), (90, 900424), (98, 826920), (105, 771792), (112, 723555), (120, 675318), (126, 643160), (140, 578844), (144, 562765), (147, 551280), (168, 482370), (180, 450212), (196, 413460), (210, 385896), (240, 337659), (245, 330768), (252, 321580), (280, 289422), (294, 275640), (315, 257264), (336, 241185), (360, 225106), (392, 206730), (420, 192948), (441, 183760), (490, 165384), (504, 160790), (560, 144711), (588, 137820), (630, 128632), (720, 112553), (735, 110256), (784, 103365), (840, 96474), (882, 91880), (980, 82692), (1008, 80395), (1176, 68910), (1260, 64316), (1470, 55128), (1680, 48237), (1764, 45940), (1960, 41346), (2205, 36752), (2297, 35280), (2352, 34455), (2520, 32158), (2940, 27564), (3528, 22970), (3920, 20673), (4410, 18376), (4594, 17640), (5040, 16079), (5880, 13782), (6891, 11760), (7056, 11485), (8820, 9188)]